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December Weather in Milan, United States

Last updated: June 24, 2025

In December, the average temperature in Milan, United States is a brisk 7°C (46°F), but temperatures can vary widely, dipping as low as -11°C (13°F) or soaring to 24°C (75°F). Expect 139 mm (5.5 in) of precipitation over about 10 days, contributing to an average humidity level of 88%. Whether you're braving the chill or basking in the sun, be prepared for a dynamic climate!

December Temperature in Milan

In December in Milan, the average temperature is 7°C (46°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling during this time.

December Weather in Milan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Milan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milan, December typically has an average temperature of 7°C (46°F), with highs reaching up to 24°C (75°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec404453597177817875634945
Data source: Temperature data for Milan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Milan

In Milan, in December, the total precipitation amount is 139 mm (5.5 in) accumulated over 10 days.

December Precipitation Trends in Milan

The chart displays monthly precipitation patterns in Milan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Milan, December typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10016717015311211213011410812394139
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Milan

In Milan in December humidity is 88%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring you to dress in layers to stay warm and dry while exploring.

December Average Humidity in Milan

This chart illustrates the average monthly humidity levels in Milan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Milan is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Milan

In Milan in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Milan, you can check the information here.

Maximum UV Index Levels in Milan for December

The chart shows the monthly maximum UV Index (UVI) for Milan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Milan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Milan December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Milan Compares to Other Months

Weather in Milan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Milan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Milan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)100 mm (3.9 inches)86%moderate
February Weather7°C (44°F)167 mm (6.6 inches)85%high
March Weather12°C (53°F)170 mm (6.7 inches)84%high
April Weather15°C (60°F)153 mm (6.0 inches)81%very high
May Weather21°C (71°F)112 mm (4.4 inches)83%extreme
June Weather25°C (78°F)112 mm (4.4 inches)83%extreme
July Weather27°C (81°F)130 mm (5.1 inches)80%extreme
August Weather26°C (79°F)114 mm (4.5 inches)73%very high
September Weather24°C (75°F)108 mm (4.3 inches)70%very high
October Weather17°C (64°F)123 mm (4.8 inches)73%high
November Weather9°C (49°F)93 mm (3.7 inches)85%moderate
December Weather7°C (46°F)139 mm (5.5 inches)88%moderate

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